gtkterm - Man Page

A simple GTK+ serial port terminal


gtkterm [ options ]


gtkterm is a simple GTK+ terminal used to communicate with the serial port.


gtkterm accepts the following options:

-h,  --help
Help screen.
-c,  --config <configuration>

Load configuration (default is "default").

-p,  --port <device>

Serial port device (default /dev/ttyS0).

-s,  --speed <speed>

Serial port speed (default 115200).

-b,  --bits <bits>

Number of bits (default 8).

-t,  --stopbits <stopbits>

Number of stopbits (default 1).

-a,  --parity <odd | even>

Partity (default none).

-w,  --flow <Xon | CTS>

Flow control (default none).

-d,  --delay <ms>

End of line delay in ms (default none).

-r,  --char <char>

Wait for a special char at end of line (default none).

-f,  --file <filename>

Default file to send (default none).

-e,  --echo

Set local echo.

-x,  --rts_time_before <ms>

For rs485, time in ms before transmit with rts on

-y,  --rts_time_after <ms>

For rs485, time in ms after transmit with rts on

-e,  --echo

Switch on local echo

-L,  --disable-port-lock

Do not lock serial port. Allows to send to serial port from different terminals.


gtkterm was written by Julien Schmitt. Maintained at by Willem van den Akker, Florian Euchner

This manual page was written by Sebastien Bacher <>, for the Debian GNU/Linux system (but may be used by others).


September 15, 2019